Rewind the Shadows 1

A physicist wakes up from a coma that lasted 30 years, only to find herself 65 years old, after a deliberate accident caused by her closest friend and partner in invention. She decides to travel back in time using a device they had created together, seeking revenge and hoping to prevent the loss of 30 years of her life.

At the moment she returns to the past, she chooses to change her path for the better and avoid the accident. However, avoiding it creates new obstacles and difficult decisions, and in both timelines, the accident happens regardless.